A Differential Diagnostic Method of Mitralstenosis and Insufficiency by Means of Pulmonary Artery Pressure Response to 45 Degree Tilt

概要

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Pulmonary hemodynamics and respiratory functions have been investigated in various body positions. In these studies, however. especially of pulmonary hemodynamics some difficulties were encountered which came from the problem of the setting of reference zero point to measure the pressure common to variable body positions. The changes of pulmonary artery pressures refered to a settled zeropoint which were measured for ten minutes after tilting of the body head up at an angle of 45 degrees from the horizontal, were found to be not in-variable in different diseases and clearly showed different response patterns between stenosis or stenosis predominant and insufficiency or insufficiency predominant mitral valvular diseases. The pulmonary artery pressure response to 45 degree tilting is presented as a new, useful, differential diagnostic method for mitral valvular diseases, and for the determination of indication for cardiac surgery.
社団法人日本循環器学会の論文
1961-07-15